Question No: 311 DRAG DROP – (Topic 7)

Answer:

Question No: 312 – (Topic 7)

A network engineer wants an NTP clients to be able to update the local system without updating or synchronizing with the remote system. Which option for the ntp access-group command is needed to accomplish this?

serve

query-only

serve-only

peer

Answer: A

Question No: 313 – (Topic 7)

A network engineer applies the command ip tcp adjust-mss lt;bytesgt; under interface configuration mode. What is the result?

The probability of SYN packet truncation is increased.

The UDP session is inversely affected.

The probability of dropped or segmented TCP packets is decreased.

The optimum MTU value for the interface is set.

Answer: C

Question No: 314 – (Topic 7)

Which two commands must you configure on a DMVPN hub to enable phase 3? (Choose two)

ip nhrp interest

ip nhrp redirect

ip nhrp shortcut

ip network-id

ip nhrp map

ip redirects

Answer: D,E

Question No: 315 – (Topic 7)

Which two options are causes of out-of-order packets? (Choose two.)

a routing loop

a router in the packet flow path that is intermittently dropping packets

high latency

packets in a flow traversing multiple paths through the network.

some packets in a flow being process-switched and others being interrupt-switched on a transit Router.

Answer: D,E

Question No: 316 – (Topic 7)

Refer to the exhibit.

The 6to4 overlay tunnel configuration has been applied on each router to join isolated IPv6 networks over a IPv4 network. Which statements regarding the 6to4 overlay tunnel is true?

The least significant 32 bits in the address referenced by the ipv6 route 2002::/16 Tunnel0 command will correspond to the interface E0/0 IPv4 address

The least significant 32 bits in the address referenced by the ipv6 route 2002::/16 Tunnel0 command will correspond to the IPv4 address assigned to the tunnel source

The configuration is invalid since the tunnel source command must be configured with an IPv6 address

This is actually a configuration example of an IPv4-compatible tunnel and not a 6to4 tunnel

This is actually a configuration example of an ISATAP overlay tunnel and not a 6to4 tunnel

Answer: B Explanation:

6to4 tunnels use IPv6 addresses that concatenate 2002::/16 with the 32-bit IPv4 address of the edge router, creating a 48-bit prefix. The tunnel interface on R1 has an IPv6 prefix of 2002:4065:4001:1::/64, where 4065:4001 is the hexadecimal equivalent of 64.101.64.1, the IPv4 address of its interface in the IPv4 network. The tunnel interface on R2 has an IPv6 prefix of 2002:4065:4101:1::/64, where 4065:4101 is the hexadecimal equivalent of 64.101.65.1, the IPv4 address of its interface in the IPv4 network.

When R1 receives a packet with IPv6 destination address of 2002:4065:4101:1:: (from the left IPv6 network, for example) R1 will:

* Take the IPv6 destination address of that packet (2002:4065:4101:1::) and convert it into

an IPv4 address. In this case, the IPv4 address is 40.65.41.01 in hexa, which is 64.101.65.1 in decimal format.* R1 encapsulates the IPv6 packet in an IPv4 packet with a destination address of 64.101.65.1; the packet is routed normally through the IPv4 network to R2* R2 receives the IPv4 packet, decapsulates and routes it normally to its final IPv6 destination.

Question No: 317 – (Topic 7)

Refer to the exhibit.

How would you confirm on R1 that load balancing is actually occurring on the default- network (0.0.0.0)?

Use ping and the show ip route command to confirm the timers for each default network resets to 0.

Load balancing does not occur over default networks; the second route will only be used for failover.

Use an extended ping along with repeated show ip route commands to confirm the gateway of last resort address toggles back and forth.

Use the traceroute command to an address that is not explicitly in the routing table.

Answer: D Explanation: Explanation

The most simple method to test load balancing is to use the 鈥渢raceroute鈥?command. If load balancing is working correctly, we will see different paths to reach the destination each time we use that command.

Unknown address will be routed via the default-network 0.0.0.0 so we must use an address that is not explicitly in the routing table.

Question No: 318 – (Topic 7)

Which statement about dual stack is true?

Dual stack translates IPv6 addresses to IPv4 addresses.

Dual stack means that devices are able to run IPv4 and IPv6 in parallel.

Dual stack translates IPv4 addresses to IPv6 addresses.

Dual stack changes the IP addresses on hosts from IPv4 to IPv6 automatically.

Answer: B

Question No: 319 – (Topic 7)

If the total bandwidth is 64 kbps and the RTT is 3 seconds, what is the bandwidth delay product?

8,000 bytes

16,000 bytes

24,000 bytes

32,000 bytes

62,000 bytes

Answer: C

Question No: 320 – (Topic 7)

What command can you enter to configure an enable password that uses an encrypted